Toyota 4Runner: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Use these procedures to troubleshoot the meter/gauge system.
- *: Use the Techstream.
PROCEDURE
|
1. |
VEHICLE BROUGHT TO WORKSHOP |
|
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|
2. |
INSPECT BATTERY VOLTAGE |
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding.
|
|
3. |
CHECK FOR DTC* |
(a) Check for DTCs and note any codes that are output (See page
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).
(b) Clear the DTCs (See page ).
(c) Recheck for DTCs. Based on the DTCs output above, try to force output of the same CAN communication system or meter/gauge system DTC by reproducing the symptoms indicated by the DTC.
|
Result |
Proceed to |
|---|---|
|
DTC is not output |
A |
|
CAN communication system DTC is output |
B |
|
Meter/gauge system DTC is output |
C |
| B | .gif) |
GO TO CAN COMMUNICATION SYSTEM |
| C | |
GO TO DIAGNOSTIC TROUBLE CODE CHART |
|
|
4. |
PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table (See page
).
|
Result |
Proceed to |
|---|---|
|
Fault is not listed in problem symptoms table |
A |
|
Fault is listed in problem symptoms table |
B |
| B | |
GO TO STEP 6 |
|
|
5. |
OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Terminals of ECU (See page ).
(b) Data List / Active Test (See page ).
(c) Operation Check (See page ).
|
|
6. |
REPAIR OR REPLACE |
|
|
7. |
CONFIRMATION TEST |
| NEXT | |
END |
Precaution
PRECAUTION
1. IGNITION SWITCH EXPRESSION
HINT:
The type of ignition switch used on this model differs according to the specifications
of the vehicle. The expressions listed in the table below are ...
System Diagram
SYSTEM DIAGRAM
Terminal No. (Symbol)
Wire Harness Side
F14
1 (CANH)
CAN communication line (V Bus)
2 (CANL)
...
Other materials about Toyota 4Runner:
Off-road driving
When driving your vehicle off-road, please observe the following precautions
to ensure your driving enjoyment and to help prevent the closure of areas to
off-road vehicles:
• Drive your vehicle only in areas where off-road vehicles are permitted to
tr ...
System Diagram
SYSTEM DIAGRAM
1. DOOR BUS LINES
2. CERTIFICATION BUS LINES (w/ Smart Key System)
3. AIR CONDITIONING BUS LINES
4. SUB-LIN BUS LINES
5. DRIVE MONITOR SWITCH BUS LINES (w/ CRAWL Control)
...
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